Beijing Dashiweiye Tech Co., Ltd. Is a technology innovation enterprise specialized in portable gas detectors manufacturing and customization for personal monitoring using in industry and household.

Established in 1997, located in the capital of China, Beijing city, we not only provide portable and small single and multi gas detectors, but also customize the plastic enclosure and special PCB for gas detection products according to customer¡¯s requirement. Our designers and engineers have more than 15 years working experience in customizing industrial gas detection alarms to satisfy our customers from all over the world.